Travel with confidence knowing that your pen will not fail you with the Uni-ball Vision Elite Ballpoint Pen. The rollerball pen features ‘Airplane Safe' technology which prevents leaks due to pressure changes in aircraft cabins, making it absolutely perfect for the frequent traveler. The ink pen is filled with Uni-Ball Super Ink, an advanced ink formula that bonds to paper fibers. This ink is resistant to chemicals that wash dye-based ink from checks. Super ink is also fade resistant, water resistant, and acid free. A Uni-flow system creates a steady flow if ink to give a smooth, consistent color that forms and indelible bond on paper. An 0.8mm ball creates a thick, bold line that is ideal for letters and journals. The pen offers a sleek, elegant look and feel with a pocket clip and grip area for extra comfort. Black Ink in a Box of 12.